/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package edu.gatech.gellinservlet.presenter;

import edu.gatech.gellinservlet.model.*;
import java.io.*;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Hung
 */
public class save extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            UserManager userData = (UserManager)getServletContext().getAttribute("userData");
            CourseManager courseData = (CourseManager)getServletContext().getAttribute("courseData");
            TeamManager teamData = (TeamManager)getServletContext().getAttribute("teamData");
            LabManager labData = (LabManager)getServletContext().getAttribute("labData");
            
             //Save UserManager, CourseManager, LabManager, TeamManager objects by serialization
            userData.save("userData.ser");
            courseData.save("courseData.ser");
            teamData.save("teamData.ser");
            labData.save("labData.ser");
            
            File file = new File("statics.txt");
            BufferedWriter output = new BufferedWriter(new FileWriter(file));
            output.write(User.getTotalUsers() + "");
            output.write("\n");
            output.write(Team.getTotalTeams()+ "");
            output.write("\n");
            output.write(Course.getTotalCourses()+ "");
            output.write("\n");
            output.write(Lab.getTotalLabs()+ "");
            output.write("\n");
            output.close();
            response.sendRedirect("index.jsp?errCode=logout");

            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet save</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet save at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
             */
        } 
        catch(Exception e)
        {
            Log.getInstance().log(Level.SEVERE, null, e);
        }
        finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
